CVE Catalog

CVE-2026-38924

LowCVSS 2.9
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.12%

2th percentile - higher than 2% of all known CVEs

Summary

In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. The Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."

Risk Assessment

Organizations using Oraios AI Serena are exposed to unauthorized access to the MCP server because it listens on all network interfaces.

Recommendation

Update Oraios AI Serena to version 1.0.0 or later, which likely changes the default listen address to 127.0.0.1, and consider running in a sandboxed environment.

Related vulnerabilities

Original NVD description (English source)

In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."

Vulnerability data from NVD (NIST) · CISA KEV · EPSS